Home / 19,538,601.07-26,945,625.48-12,197,115.43

Finding the Fourth Proportional to 19,538,601.07, 26,945,625.48 and 12,197,115.43

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Solution

The fourth proportional to 19,538,601.07, 26,945,625.48 and 12,197,115.43 is: 16,821,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,601.07 : 26,945,625.48 = 12,197,115.43 : x
  2. Step 2: Convert to fraction form
    19,538,601.07/26,945,625.48 = 12,197,115.43/x
  3. Step 3: Cross multiply
    19,538,601.07x = 26,945,625.48 × 12,197,115.43
  4. Step 4: Simplify right side
    19,538,601.07x = 328,658,904,313,109.12
  5. Step 5: Solve for x
    x = 328,658,904,313,109.12/19,538,601.07
  6. Step 6: Final answer
    x = 16,821,004.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.